This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 203457869 |
| 2 | 203465789 |
| 3 | 203465897 |
| 4 | 203468579 |
| 5 | 203475869 |
| 6 | 203478659 |
| 7 | 203485697 |
| 8 | 203485769 |
| 9 | 203495867 |
| 10 | 203548967 |
| 11 | 203564897 |
| 12 | 203568947 |
| 13 | 203574689 |
| 14 | 203584679 |
| 15 | 203584769 |
| 16 | 203594687 |
| 17 | 203596847 |
| 18 | 203598467 |
| 19 | 203645879 |
| 20 | 203645987 |
| 21 | 203648957 |
| 22 | 203654987 |
| 23 | 203659487 |
| 24 | 203674589 |